Airmen at Work: Safety steers runners from hazard Published March 22, 2016 By Tech. Sgt. Rick Lisum 910th Airlift Wing Public Affairs YOUNGSTOWN AIR RESERVE STATION, Ohio -- Master Sgt. Craig White, noncommissioned officer in charge of occupational safety and Technical Sgt. Mike Riggenbach, an occupational ground safety technician, place warning cones on the fitness track where construction has made the track hazardous here, March 6, 2016. White and Riggenbach are both assigned to the 910th Safety Office and are responsible for all elements of ground safety at the 910th Airlift Wing. (U.S. Air Force Reserve Photo/ Tech. Sgt. Rick Lisum)